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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2018 - USD ($)
Total
Common Stock
Additional Paid-in Capital
Treasury Stock
Accumulated Other Comprehensive Income
Accumulated Deficit
Total Kopin Corporation Stockholders’ Equity
Noncontrolling Interest
Beginning balance at Dec. 30, 2017 $ 77,379,847 $ 775,720 $ 331,119,340 $ (17,238,669) $ 3,564,779 $ (240,121,901) $ 78,099,269 $ (719,422)
Beginning Balance (in shares) at Dec. 30, 2017   77,572,038            
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Stock-based compensation 2,687,789   2,687,789       2,687,789  
Vesting of restricted stock (shares)   80,000            
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures   $ 800 (800)          
Stock Repurchased During Period, Shares   (3,530)            
Payments for Repurchase of Common Stock (11,402) $ (35) (11,367)       (11,402)  
Other comprehensive loss (income) (547,601)       (518,588)   (518,588) (29,013)
Gain (Loss) on Sale of Treasury Stock 3,059,382           3,059,382  
Net loss (14,718,777)         (14,777,235) (14,777,235) 58,458
Ending balance at Jun. 30, 2018 $ 67,849,238 $ 776,485 $ 333,794,962 $ (17,238,669) $ 3,046,191 $ (251,839,754) $ 68,539,215 $ (689,977)
Ending Balance (in shares) at Jun. 30, 2018   77,648,508